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Editors' Review

There are plenty of downloadable defrag utilities to choose from, but it's hard to beat the ease of use and helpful extras in IOBit's Smart Defrag.

With this utility you can quickly analyze your hard drive to check the level of defragmentation before committing to a scan. The interface shows you different colored blocks representing fragmented files, frequently used files, and more, with a helpful key to show what each colored block represents.

When you're ready to pull the trigger, you can choose from a straight defragmentation (fastest), or have Smart Defrag perform either a fast or "deep" optimization after defragmentation. Our test machine has a rather full hard drive, so even using the fast optimization took close to 40 minutes. Depending on your hard drive and level of defragmentation, your mileage may vary.

In addition to the solid defragmentation tools, you can have Smart Defrag automatically defrag the files you use the most without significantly slowing down your system. Even while performing a full defragmention and optimization run, the program barely uses as much as 25MB of RAM, and with just the auto-defrag running continually, it uses about half that amount.

Smart Defrag offers a few extras, including a scheduler so you can set it up to only defrag during downtime on your computer. You can set it to run scans on bootup or even have the app shut down your computer when it's done defragging selected hard drives or partitions.

It's important to note that Smart Defrag is not as essential for those running Windows 7 because the OS defrags continually on it's own. But if you run external drives connected to a Windows 7 computer, this utility will still come in handy for keeping them running smoothly.

Overall, if you want a quick and solid defrag utility to make your computer run more smoothly, with added options for scheduling and other extras, you should definitely download this program. Both beginner and advanced users will have no trouble operating this solid utility.

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Publisher's Description

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From IObit:
Disk fragmentation is generally main cause of slow and unstable computer performance. Smart Defrag 2 helps defragment your hard drive most efficiently. Smart Defrag 2 not only defragments computer deeply but optimizes disk performance. With "Install it and forget it" feature, Smart Defrag 2 works automatically and quietly in the background on your PC, keeping your hard disk running at its speediest. Slow down, freeze-ups and crashes will be a thing of the past.
Features include:
Easy 2 Use
Install it and forget it. The intuitive interface makes Smart Defrag 2 the ideal utility for complete dummies.
Always-on Working
Smart Defrag 2 works automatically and quietly in the background, constantly keeps your computer fragment-free.
Super Efficient Defragmentation
No more long time waiting, Smart Defrag 2 has the fastest defragment engine in the world and finishes the job just in minuts.
Optimize File System
Not just simple defragment, Smart Defrag 2 also streamlines the file system and makes your computer run at the top speed.
Free and Free
Smart Defrag 2 is 100% freeware. You can get it and update it without any penny.

When installing Smart Defrag, you will be asked whether you want to install IObit Toolbar or not. If you have chosen to Accept, the toolbar will be installed along with Smart Defrag. And toolbar will be shown in your browser.

If you don't like, you can uninstall it anytime.

If you need any further assistance about using IObit products, please contact us through the link below: http://www.iobit.com/onlinefeedback.php

DOES NOT ALWAYS WORK.Smart Defrag worked perfectly on my old XP system, but since upgrading to a Win7 laptop I have found that Smart Defrag only works about 20% of the time. When I load it up and click on either 'defrag' or 'analyse' (it doesn't matter which) the chances are it will act as if it's about to start, but then it just stops and sits idly again.Annoyingly, I can't even seem to find an easy link to tell IOBit about the problem.

I will never use another IOBit product again. At least not until they stop all 3rd party software deals/installs.I specifically unchecked the options to install an IOBit toolbar yet it and some other browser add-on and software was installed onto my system and installed into every Mozilla Firefox profile and version (Aurora, Nightly, etc). Probably for IE too, but I didn't check.

I have 12 Firefox profiles and have had to create new profiles for all.

The software may be good, but the company has lost my trust and I highly suggest that others do not even take the risk of using IObit software until they cut all 3rd party deals or, they start using reputable companies/services, -and-, they are transparent about what is being installed and they do not jam it into my system.

I couldn't agree more . This disaster had convinced me that I will never use their downloads again. Oh by the way their reply back is nice except it hasn't worked and I am still dealing with it on Chrome . i got rid of it on Safari after several attempts . Unbelievable and a rip . This is twice this has happened to me and its not a mistake on their part .

But normally the toolbar will not be installed if you have chosen to Decline when installing Smart Defrag. Please uninstall the toolbar in Control Panel and change the default search engine referring to the link below: http://www.pcworld.com/article/249158/how_to_change_your_browsers_default_search_engine.html

We are sorry for all the inconvenience. If you need any further assistance about using IObit products, please contact us through the link below: http://www.iobit.com/onlinefeedback.php

The 2 reviews before mine appear that they have a malware infestation. There is a fake defragmenter program called "Smart Defragmenter", and it is not associated with "Smart Defrag 2". Smart Defrag 2 has been tested to be virus and malware free. Go here to see the results of the testing.

http://smart-defrag.en.lo4d.com/virus-malware-tests

This next site will give you information on the fake defragmenter program.

On the plus side, Smart Defrag seems to have good options for defragging system files on bootup - a feature not available in many free or purchased defrag applications.

Cons

Makes multiple changes to your browsers and to Windows startup, even if you opt out of these features during installation. Installs multiple adware and spyware applications. Changes homepage, search engine, and startup behavior of browsers (I had Firefox set to open previously opened tabs on startup - this was change to always start Yahoo home page).

When installing Smart Defrag, you will be asked whether you want to install IObit Toolbar or not. If you have chosen to Accept, the toolbar will be installed along with Smart Defrag. And toolbar will be shown in your browser.

If you don't like, you can uninstall it anytime and change the default search engine referring to the link below: http://www.pcworld.com/article/249158/how_to_change_your_browsers_default_search_engine.html

If you need any further assistance about using IObit products, please contact us through the link below: http://www.iobit.com/onlinefeedback.php

When installing Smart Defrag, you will be asked whether you want to install IObit Toolbar or not. If you have chosen to Accept, the toolbar will be installed along with Smart Defrag. And toolbar will be shown in your browser.

If you don't like, you can uninstall it anytime and change the default search engine referring to the link below: http://www.pcworld.com/article/249158/how_to_change_your_browsers_default_search_engine.html

If you need any further assistance about using IObit products, please contact us through the link below: http://www.iobit.com/onlinefeedback.php

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